SmarterTravel readers once again gave top marks to Southwest Airlines. We asked you to consider booking and changing tickets, fees, counter or online check-in, cabin comfort and cleanliness, in-flight perks, and customer service when casting your vote, and the low-cost king dominated the category, beating out its 13 other competitors with 32 percent of the vote.

Other low-cost favorite JetBlue had a strong showing, taking second place with 12 percent of the vote. Delta took third, the highest ranking among legacy carriers.

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AirTran, our Editors' Choice award winner for 2010's Best Value Airline, received just 3.3 percent of the vote. It will be interesting to see how the low-cost airline fares next year, now that it's been acquired by Southwest.

So let's hear a little more feedback: What are your favorite elements of a Southwest flight? What makes the experience topnotch once again this year? And, dare we suggest it—are there any ways this fan-favorite could improve its services to stay in the top spot for another year running?